.header {
  height: 29px;
  background: #f2f2f2;
  border-bottom: 1px solid #e5e5e5;
  line-height: 29px;
  font-size: 12px;
  color: #6c6c6c;
}
.header_left {
  float: left;
}
.header ul li {
  float: left;
  padding-right: 15px;
  padding-left: 15px;
  position: relative;
}
.header_right ul li:hover {
  background: #fff;
}
.header .header_xiala {
  display: none;
  width: 90px;
  font-size: 12px;
  position: absolute;
  top: 29px;
  left: 0;
  background: #fff;
  z-index: 999;
  text-align: center;
}
.header .header_xiala ul li {
  width: 100%;
  padding-right: 0px;
  padding-left: 0px;
}
.header ul li a {
  color: #6c6c6c;
}
.header_right {
  float: right;
}
.nav {
  height: 108px;
  background: #ffffff;
}
